// 
//  Author:
//    Snowdrop Short snowdrop dot short at gmail dot com
// 
//  Copyright (c) 2009, Snowdrop Short
// 
//  All rights reserved.
// 
//  Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
// 
//     * Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer.
//     * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in
//       the documentation and/or other materials provided with the distribution.
//     * Neither the name of the [ORGANIZATION] nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.
// 
//  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
//  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
//  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
//  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
//  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
//  EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
//  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
//  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
//  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
//  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
//  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// 

using System;
using System.Threading;
using System.Collections.Generic;
using System.Text;
using OpenMetaverse;

namespace OpenFuse.Backend.Commands.Downloaders
{
	public class WearableDownloader
	{
		public byte[] Download(SlSession session, OpenMetaverse.InventoryItem item, out List<Cache.Asset> subAssets)
		{
			subAssets = null;
			
			byte[] assetData = Utilities.DownloadAsset(session, item);
			if(assetData != null)
			{
				OpenMetaverse.Assets.AssetWearable wearable = null;
				if(item.AssetType == AssetType.Clothing)
					wearable = new OpenMetaverse.Assets.AssetClothing(item.AssetUUID, assetData);
				else if(item.AssetType == AssetType.Bodypart)
					wearable = new OpenMetaverse.Assets.AssetBodypart(item.AssetUUID, assetData);
				wearable.Decode();

				if(wearable.Textures.Count > 0)
				{
					subAssets = new List<Cache.Asset>();
					session.Logger.DebugFormat("Downloading textures for '{0}'", item.Name);
					foreach(UUID textureID in wearable.Textures.Values)
					{
						session.Logger.DebugFormat("--- {0}", textureID);
						byte[] textureData = Utilities.DownloadTexture(session, textureID);
						if(textureData != null) 
						{
							Cache.Asset a = new Cache.Asset();
							a.AssetId = textureID.Guid;
							a.AssetType = AssetType.Texture;
							a.Data = textureData;
							a.OwnerId = item.OwnerID.Guid;
							subAssets.Add(a);
						}
					}
				}
			}
			return assetData;
		}
	}
}
